make font generate tool

.gitignore

@@ -14,3 +14,4 @@ media.tar.gz
 /tmp
 /.vscode/settings.json
 .DS_Store
+/utilities/font/out

utilities/font/generate_font_lib.py

@@ -0,0 +1,83 @@
+import re
+import subprocess
+import os
+
+
+def extract_simplified_chinese_unicode():
+    input_file_path = "../../src/lang/simplified_chinese.c"
+    range_str = ""
+    char_pattern = re.compile(r'[\u4e00-\u9fff]')
+
+    unique_chars = set()
+
+    with open(input_file_path, "r", encoding="utf-8") as file:
+        for line in file:
+            for char in line:
+                if char_pattern.match(char):
+                    unique_chars.add(char)
+
+        for char in sorted(unique_chars):
+            range_str += f"{ord(char)},"
+
+    return range_str[:-1]
+
+
+def patch():
+    folder_path = "out"
+
+    for filename in os.listdir(folder_path):
+        if filename.endswith(".c"):
+            file_path = os.path.join(folder_path, filename)
+
+            with open(file_path, "r", encoding="utf-8") as file:
+                lines = file.readlines()
+
+            if len(lines) >= 11:
+                lines_to_keep = lines[: -10] + lines[-6:]
+
+                with open(file_path, "w", encoding="utf-8") as file:
+                    file.writelines(lines_to_keep)
+
+
+cmd_app = "lv_font_conv"
+cmd_bpp = " --bpp 4"
+cmd_size = " --size "
+cmd_compress = " --no-compress"
+cmd_format = " --format lvgl"
+cmd_output = " -o out/lv_font_montserrat_"
+
+cmd_font_default = " --font Montserrat-Medium.ttf"
+cmd_range_default = " --range 32-127,176,8226"
+
+cmd_font_lvgl_privite = " --font FontAwesome5-Solid+Brands+Regular.woff"
+cmd_range_lvgl_privite = " --range 61441,61448,61451,61452,61452,61453,61457,61459,61461,61465,61468,61473,61478,61479,61480,61502,61507,61512,61515,61516,61517,61521,61522,61523,61524,61543,61544,61550,61552,61553,61556,61559,61560,61561,61563,61587,61589,61636,61637,61639,61641,61664,61671,61674,61683,61724,61732,61787,61931,62016,62017,62018,62019,62020,62087,62099,62212,62189,62810,63426,63650"
+
+cmd_font_simplified_chinese = " --font simhei.ttf"
+cmd_range_simplified_chinese = "  --range " + \
+    extract_simplified_chinese_unicode()
+
+font_size = [8, 10, 12, 14, 16, 18, 20, 22, 24,
+             26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48]
+
+for s in font_size:
+    command = ""
+    command += cmd_app
+    command += cmd_bpp
+    command += cmd_size + str(s)
+    command += cmd_compress
+
+    command += cmd_font_default
+    command += cmd_range_default
+    command += cmd_font_lvgl_privite
+    command += cmd_range_lvgl_privite
+    command += cmd_font_simplified_chinese
+    command += cmd_range_simplified_chinese
+
+    command += cmd_format
+    command += cmd_output + str(s) + ".c"
+    print(command)
+    subprocess.run(command, text=True, shell=True, capture_output=True)
+
+print("Patch")
+patch()
+print("Done")

utilities/font/readme.md

@@ -0,0 +1,17 @@
+## Install npm
+
+```
+sudo apt-get install npm
+```
+
+## Install lv_font_conv
+
+```
+sudo npm install -g lv_font_conv
+```
+
+## Make font
+
+```
+python3 generate_font_lib.py
+```